Variance analysis refers to cost performance measurements used to assess the magnitude of variation in comparison to the original cost baseline. What is the trend on the percentage range of acceptable variances as the project progresses?

The percentage range of acceptable variances will tend to decrease as the project progresses.

The percentage range of acceptable variances will tend to increase as the project progresses.

The percentage range of acceptable variances will tend to decrease first and then increase as the project progresses beyond 50% completion.

The percentage range of acceptable variances remains the same as the project progresses.